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DTSTART;VALUE=DATE:20250804
DTEND;VALUE=DATE:20250808
DTSTAMP:20260405T131653
CREATED:20251003T000720Z
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SUMMARY:Environmental Measurement Symposium 2025
DESCRIPTION:Don’t Miss SGS’s presentations by Dr. Doss and Arash Sharifi at the 2025 Environmental Measurement Symposium! \nDr. Doss will serve as co-chair for the Environmental Forensics session on Tuesday\, August 5th\, between 1:00-3:00 PM\, and will also present “Forensics Analysis – Gasoline Releases”\, at 2:00 pm within the same session.  \nGasoline spills and leakages from Underground Storage Tank (UST) leaks are common occurrences in the United States. They are typically referred to as Light Non Aqueous Liquids (LNAPLs). There are historical releases\, leaks from several sources in the same vicinity\, and recent releases. This presentation will provide the tools necessary to measure the contaminants released into the ground which in many cases end up in the groundwater aquifers.  \nThis presentation will outline the analysis required to determine the composition of the product released and approximate age of the product by analyzing the product for indicator parameters such as additives. Typically\, Whole Oil Analysis is performed to identify the products. Once the product is identified more sophisticated analysis such as PIANO analysis and additives identification is performed in the laboratory. Diagnostic ratios will be discussed as to the various pathways the weathering of the product proceeds in the environment. All necessary tools required for data assessment will be outlined.  \nAdditionally\, Dr. Doss will present “PFAS in Air – Method OTM-50”\, on Thursday\, August 7th at 4:00 pm.  \nPFAS in air is a burning topic in the “Forever Chemicals World”. Although OTM-45 method has been in use for a while that method is an impinger sample collection method in a liquid and analyzed by EPA method 1633 or 537 (mod.). OTM -50 is an Air method\, wherein\, samples are collected in SUMMA canisters akin to TO-15A. OTM-50 names a target compound list of 30 PFAS compounds. The differences between regular PFAS LC/MS/MS OTM-45 and OTM-50 methods will be discussed. US EPA requires that 30 PFAS compounds be analyzed as provided in the OTM-50 method.  \nThe analytical standards\, surrogates and internal standards will be outlined for the OTM -50 method. Unlike regular PFAS standards the sources from which standards are acquired are quite different.  \nMethod OTM-50 and its process on sample collection and analysis will be outlined. Data from OTM-50 method will be discussed.  \nBesides\, Arash Sharifi\, will be presenting “Boron Isotope as a Powerful Tool for Nutrient Source Tracking: A Multi-isotope Study of Surface-water in South Florida” on Tuesday\, August 5th at 1:00 pm.  \nWith 260\,000 Km2 expansion of the aquifer\, Florida has abundant surface and ground-water resources providing fresh water for 11 million Floridians—these can easily be contaminated. Exposure to contaminated drinking and recreational waters threatens public health. Excessive urban development and rapid population growth in South Florida are straining the freshwater resources of the region and climate impacts on the water availability imposed another layer of stress on these vulnerable resources. Nutrient input\, heavy metals\, and organic enrichment as well as bacterial contamination represent the leading causes of degraded water quality in lakes\, rivers\, estuaries\, and coastal waters of South Florida. Nutrient pollution\, mainly nitrate\, in surface water has become an environmental problem of both regional and national concern. In order to provide a successful management program for effective control of the nitrate pollution in surface water\, it is essential to both identify the pollution sources and reduce the input of nitrate. This became even more important in a large aquifer system such as the one in Florida where contaminants from different point sources and non-point sources find their ways into the hydrological system. During the past decades\, nitrogen and oxygen isotopes of nitrate (δ15NNO3 and δ18ONO3) has conventionally been utilized for identifying the source and fate of nitrate pollution in surface-water.   \nPlease Contact us to request a copy of these presentations. \nWe can’t wait to see you there! \nFor more information\, contact: \nKesavalu Bagawandoss\, Ph.D.\, J.D.\nTechnical Director\, North America\ndr.doss@sgs.com\n+1 281 881 1457 \nSGS North America\, Inc.\n500 Ambassador Caffery Parkway\,\nScott\, LA\, 70583
URL:https://env.sgs.com/event/environmental-measurement-symposium-2025/
LOCATION:Hyatt Regency St. Louis at The Arch\, 315 Chestnut St\, St. Louis\, MO\, 63102\, United States
CATEGORIES:PFAS
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20250715
DTEND;VALUE=DATE:20250719
DTSTAMP:20260405T131653
CREATED:20250102T174018Z
LAST-MODIFIED:20250102T174018Z
UID:9404-1752537600-1752883199@env.sgs.com
SUMMARY:39th Annual Environmental Permitting Summer School
DESCRIPTION:
URL:https://env.sgs.com/event/39th-annual-environmental-permitting-summer-school/
LOCATION:JW Marriott Marco Island Beach Resort\, 400 S Collier Blvd\, Marco Island\, FL\, 34145\, United States
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20250603
DTEND;VALUE=DATE:20250605
DTSTAMP:20260405T131653
CREATED:20250122T020803Z
LAST-MODIFIED:20250122T020822Z
UID:9535-1748908800-1749081599@env.sgs.com
SUMMARY:TCEQ Environmental Trade Fair and Conference (ETFC) 2025
DESCRIPTION:
URL:https://env.sgs.com/event/tceq-etfc-2025/
LOCATION:Henry B. Gonzalez Convention Center\, 200 East Market St.\, San Antonio\, TX\, 78205\, United States
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